What causes changes in atmospheric pressure other than changes in altitude?

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by Jeff Renner

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KING5.com

Posted on August 30, 2011 at 6:01 PM

What causes changes in atmospheric pressure other than changes in altitude?

The movement of pressure systems; highs and lows. When a low approaches, which is an area of rising air, pressures fall and when a high approaches, which is an area of sinking air, pressures rise.

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